SLAB

                      WHAT IS SLAB?


  • Slab is an important structural element which is constructed to create flat and useful surfaces such as floors, roofs, and ceilings. It is a horizontal structural component, with top and bottom surfaces parallel or near so.

  • Commonly, slabs are supported by beams, columns (concrete or steel), walls, or the ground. The depth of a concrete slab floor is very small compared to its span.
  • The forces transfer from slab to beams occur either in one way or in two ways. The total system completely counts on the geometrical dimensions of the slab.

  • Slabs may be supported by columns only, in this case two way action will prevail. If the ratio Long side / short side < 2 it is considered as 2-way slab, and if Longer side to shorter side greater than 2 then it is considered as 1-way slab.

  • The load transfer mechanism from floor slab to supporting elements for one way slab and two way slab are shown in Fig. 2 and Fig. 3. Lastly, Fig. 4 illustrate the transfer of loads from slabs to different types of supporting elements.



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